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Finding the Fourth Proportional to 27,663.60, 41,511.60 and 10,135.20

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Solution

The fourth proportional to 27,663.60, 41,511.60 and 10,135.20 is: 15,208.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,663.60 : 41,511.60 = 10,135.20 : x
  2. Step 2: Convert to fraction form
    27,663.60/41,511.60 = 10,135.20/x
  3. Step 3: Cross multiply
    27,663.60x = 41,511.60 × 10,135.20
  4. Step 4: Simplify right side
    27,663.60x = 420,728,368.32
  5. Step 5: Solve for x
    x = 420,728,368.32/27,663.60
  6. Step 6: Final answer
    x = 15,208.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.